#64B428#64B428

#64B428 is a light, vivid yellow-green. Relative luminance 0.355; OKLCH L 69.2% C 0.186 H 135.3°. Best body text is #000000 at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#64B428
RGB	rgb(100, 180, 40)
HSL	hsl(94, 64%, 43%)
HSV	hsv(94, 78%, 71%)
CMYK	cmyk(44.4%, 0%, 77.8%, 29.4%)
CIE-LAB	lab(66.14, -47.24, 58.90)
CIE-LCH	lch(66.14, 75.51, 128.73°)
OKLab	oklab(69.23% -0.1321 0.1309)
OKLCH	oklch(69.23% 0.186 135.3)
XYZ	xyz(21.9593, 35.5037, 7.7029)
Luminance	0.3550 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B428 #7828B4

analogous

#AAB428 #64B428 #28B432

triadic

#64B428 #2864B4 #B42864

tetradic

#64B428 #28AAB4 #7828B4 #B43228

square

#64B428 #28AAB4 #7828B4 #B43228

split-complementary

#64B428 #3228B4 #B428AA

monochromatic

#2C5012 #48821D #64B428 #82D544 #A4E176

Accessibility & contrast

On white

2.59

#64B428 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.10

#64B428 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B428

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B428	#FFFFFF	#000000	##000000
##64B428	1.00	2.59	8.10	8.10
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.10	21.00	1.00	1.00
##000000	8.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA500

Deuteranopia (green-blind)

#B09E37

Tritanopia (blue-blind)

#62AD9A

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #64b428;
/* rgb */ color: rgb(100, 180, 40);
/* oklch */ color: oklch(69.2% 0.186 135.3);

Tailwind

colors: {
  custom: {
    50: '#97cb6d',
    500: '#64b428',
    950: '#000000',
  },
}

SCSS

$custom: #64b428;
$custom-light: #97cb6d;
$custom-dark: #000000;

JSON

{
  "hex": "#64b428",
  "rgb": {
    "r": 100,
    "g": 180,
    "b": 40
  },
  "hsl": {
    "h": 94.286,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.69234,
    "c": 0.18597,
    "h": 135.3
  },
  "luminance": 0.35505
}

Semantic roles & 50–950 ramp

primary

#64B428

secondary

#A270C8

accent

#41E7A0

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #64B428

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →